return function()
  local prequire = require('ds_omega.utils').prequire

  local augend_is_available, augend = prequire('dial.augend')

  if not augend_is_available then
    return
  end

  return {
    -- default augends used when no group name is specified
    default = {
      augend.constant.alias.bool,    -- boolean value (true <-> false)
      augend.integer.alias.decimal,   -- nonnegative decimal number (0, 1, 2, 3, ...)
      augend.integer.alias.hex,       -- nonnegative hex number  (0x01, 0x1a1f, etc.)
      augend.date.alias["%Y/%m/%d"],  -- date (2022/02/19, etc.)
    },
  }
end
